Possible causes

– Faulty Barometric Pressure (BARO) sensor
– Faulty Manifold Absolute Pressure (MAP) sensor
– Manifold Absolute Pressure sensor harness open or shorted to ground
– Manifold Absolute Pressure sensor circuit poor electrical connection
– Large vacuum leak

When is the code detected?

The Engine Control Module (ECM) has detected a correlation error between the Barometric Pressure (BARO) sensor and Manifold Absolute Pressure (MAP) sensor

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)